Multiple vulnerabilities have been found in MediaWiki, the worst of which leading to remote execution of arbitrary code.
|Package||www-apps/mediawiki on all architectures|
|Affected versions||< 1.18.2|
|Unaffected versions||>= 1.18.2|
The MediaWiki wiki web application as used on wikipedia.org.
Multiple vulnerabilities have been discovered in mediawiki. Please review the CVE identifiers referenced below for details.
MediaWiki allows remote attackers to bypass authentication, to perform imports from any wgImportSources wiki via a crafted POST request, to conduct cross-site scripting (XSS) attacks or obtain sensitive information, to inject arbitrary web script or HTML, to conduct clickjacking attacks, to execute arbitrary PHP code, to inject arbitrary web script or HTML, to bypass intended access restrictions and to obtain sensitive information.
There is no known workaround at this time.
All MediaWiki users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.18.2"